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Finding the Fourth Proportional to 6,675.31, 9,991.98 and 4,583.08

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Solution

The fourth proportional to 6,675.31, 9,991.98 and 4,583.08 is: 6,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.31 : 9,991.98 = 4,583.08 : x
  2. Step 2: Convert to fraction form
    6,675.31/9,991.98 = 4,583.08/x
  3. Step 3: Cross multiply
    6,675.31x = 9,991.98 × 4,583.08
  4. Step 4: Simplify right side
    6,675.31x = 45,794,043.70
  5. Step 5: Solve for x
    x = 45,794,043.70/6,675.31
  6. Step 6: Final answer
    x = 6,860.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.